Usage:
Cochise Peak Quartz Monzonite (AZ*)
Geologic age:
Triassic or Jurassic*
Type section, locality, area and/or origin of name:
Not stated. Crops out in belt extending from northern side of Cochise Peak, in T. 18 S., R. 23 E., south-southeastward for nearly 3 mi, to the divide at Middle Pass, Dragoon Mountains, central Cochise Co., southeastern AZ. Belt ranges in width from about 1,000 feet to nearly 0.5 mi. Numerous other small bodies and blocks recognized in area but are too small to be mapped (Gilluly, 1956).
AAPG geologic province:
Pedregosa basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).